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eb91f914b9
Fixes #25801. Adds the following commits to fix DHCP behaviour on Strongswan 5.9.14: -abbf9d28b0-00d8c36d6f-a50ed3006eSigned-off-by: Joel Low <joel@joelsplace.sg>
29 lines
1.1 KiB
Diff
29 lines
1.1 KiB
Diff
From abbf9d28b0032cf80b79bcacea3146a60800a6dd Mon Sep 17 00:00:00 2001
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From: Tobias Brunner <tobias@strongswan.org>
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Date: Mon, 27 Jan 2025 09:40:56 +0100
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Subject: [PATCH 1/3] pf-handler: Accept loopback interfaces as packet source
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In some setups the responses from the DHCP server are sent via lo, which
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does not have an address of type `ARPHRD_ETHER` (the address length is
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the same, though, just all zeros, by default). Note that the dhcp plugin
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doesn't actually care for the MAC address or interface details, that's
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only used by the farp plugin.
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Fixes: 187c72d1afdc ("dhcp: Port the plugin to FreeBSD/macOS")
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---
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src/libcharon/network/pf_handler.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/src/libcharon/network/pf_handler.c
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+++ b/src/libcharon/network/pf_handler.c
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@@ -176,7 +176,8 @@ static cached_iface_t *find_interface(pr
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if (ioctl(fd, SIOCGIFNAME, &req) == 0 &&
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ioctl(fd, SIOCGIFHWADDR, &req) == 0 &&
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- req.ifr_hwaddr.sa_family == ARPHRD_ETHER)
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+ (req.ifr_hwaddr.sa_family == ARPHRD_ETHER ||
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+ req.ifr_hwaddr.sa_family == ARPHRD_LOOPBACK))
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{
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idx = find_least_used_cache_entry(this);
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